Hub configuration

Name: PUA - NirCmd Execution As LOCAL SYSTEM
Author: sigmahq

More info

PUA - NirCmd Execution As LOCAL SYSTEM Detection Scenario by sigmahq | CrowdSec Hub

« PUA - NirCmd Execution As LOCAL SYSTEM »
v0.2 by sigmahq / proc_creation_win_pua_nircmd_as_system
Attack scenariowindowsNot spoofableLow confidence

Detects the use of NirCmd tool for command execution as SYSTEM user

Installation

cscli scenarios install sigmahq/proc_creation_win_pua_nircmd_as_system

YAML Configuration

1type: trigger
2name: sigmahq/proc_creation_win_pua_nircmd_as_system
3description: |
4  Detects the use of NirCmd tool for command execution as SYSTEM user
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && (evt.Parsed.CommandLine contains ' runassystem ')
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1569.002
15
16  label: "PUA - NirCmd Execution As LOCAL SYSTEM"
17  behavior : "windows:audit"
18  remediation: false
19
20scope:
21  type: ParentProcessId
22  expression: evt.Parsed.ParentProcessId
23
24

Hub configuration

« PUA - NirCmd Execution As LOCAL SYSTEM »v0.2 by sigmahq / proc_creation_win_pua_nircmd_as_systemAttack scenariowindowsNot spoofableLow confidenceMITRE:t1569

« PUA - NirCmd Execution As LOCAL SYSTEM »
v0.2 by sigmahq / proc_creation_win_pua_nircmd_as_system
Attack scenariowindowsNot spoofableLow confidence